Simon Schama examines some of the daunting challenges facing Barack Obama, both on the world stage and at home

Twenty-five years on from a peace agreement being reached, Once Upon a Time in Northern Ireland shares intimate, unheard testimonies from all sides of the conflict. From the makers of the award-winning series Once Upon a Time in Iraq.

A time of relative peace in Northern Ireland escalates to full-blown conflict. When tensions between Protestants and Catholics explode, the British Army is deployed.

A deeply segregated society emerges as the violence escalates, the British Army beds down and paramilitary groups police many working-class areas.

The impact of the hunger strikes is seen through the eyes of three women. Tit-for-tat killings, car bombs and assassinations are now part of everyday life in Northern Ireland.

Tensions rise as the police and army infiltrate paramilitary organisations to gain intelligence. No-one can be trusted as fear and suspicion run rife.

There have been many false dawns in the conflict, but finally the desire for change propels the possibility of peace for the next generation.

In 1978, Ron McNair, Anna Fisher and Mike Mullane are all selected by NASA to fly aboard the newly unveiled space shuttle. For the first time in the agency’s history, aspiring astronauts of all genders and racial backgrounds have been encouraged to apply - a shift that sets the stage for both opportunity and challenge.

When the Soviet Union falls, Russia welcomes US astronauts to their space station, Mir.

The arrival of the International Space Station promises a new era of cooperation in space.

Relationships aboard the ISS are tested when war breaks out on Earth

A new perspective. At the dawn of a new space race, the personal stories of those who led us here offer a unique insight into our changing world - and where we are headed.

Series tracing the history of Italian opera presented by Antonio Pappano. In English and Italian.

Series tracing the history of Italian opera presented by Antonio Pappano. In English and Italian.

Antonio Pappano looks at the importance of Verdi to the history of Italian opera.

Documentary following a group of international archaeologists, who believe that a new state-of-the-art approach is the key to unlocking Stonehenge's secrets.

Documentary. Part two of this mini-series focuses on the construction, design and significance of the stone circle itself and the ancient civilisation that flourished around it.

First-ever TV documentary about the legendary soul singer Otis Redding, following him from childhood and marriage to the Memphis studios and segregated Southern clubs where he honed his unique stage act and voice. Through unseen home movies, the film reveals how Otis's 1967 tour of Britain dramatically changed his life and music.

David Olusoga meets nurses, doctors and health workers from overseas who have transformed the NHS in spite of hostility and discrimination.

In the wake of the swine flu outbreak, virologist Dr Mike Leahy uses over 50 years of BBC archive to explore the history of pandemics - infectious diseases caused by bacteria, viruses and parasites.

Ten years on from the Good Friday Agreement, Declan Lawn returns to Northern Ireland to see how far lives have changed.

It’s a sex abuse scandal that has gripped the world. But despite all the headlines and stories, important questions remain unanswered about Jeffrey Epstein. How did he become so powerful?

Panorama investigates the Pandora Papers, one of the biggest offshore leaks in history, revealing the financial secrets of some of the most powerful people on the planet.

On verdict day of one of the most eagerly awaited trials in recent history, this Panorama Special on the Stephen Lawrence case reveals the untold story of the murder that changed Britain. For more than a year, reporter Mark Daly and the Panorama team have exclusively followed Stephen's mother Doreen Lawrence as her 18-year fight for justice for her murdered son neared its conclusion.

With soldiers and police once again being killed in Northern Ireland, Panorama offers the most detailed analysis yet of the resurgent terrorist threat in Northern Ireland.

With British soldiers dying in record numbers and the country arguing over the wisdom of the war, Jane Corbin travels across Afghanistan to ask if the British presence has made the lives of Afghan women any better, which was one of the justifications for going to war in the first place.

At the time of his death in April 1973, aged 91, Pablo Picasso had become one of the 20th century's most influential and prolific artists. Picasso has been painted as many men - genius, womaniser, egomaniac.

The documentary tells the story of the eruption from the point of view of assorted inhabitants of Pompeii and Herculaneum whose names and occupations are known, including a local politician and his family, a fuller, his wife, and two gladiators.

Pompeii: one of the most famous volcanic eruptions in history. We know how its victims died, but this film sets out to answer another question - how did they live?